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ENN7944

更新时间： 2024-10-02 03:34:31
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三洋 - SANYO 驱动器数码相机
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24页 1152K
描述
Seven-Channel Motor Driver IC for Digital Cameras

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ENN7944 数据手册

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Ordering number : ENN7944  
SANYO Semiconductors  
DATA SHEET  
Bi-CMOS IC  

Seven-Channel Motor Driver IC  
for Digital Cameras  
LV8041FN  
Overview  
The LV8041FN is a digital camera motor driver IC that integrates seven driver channels on a single chip.  
Features  
• Two PWM current control microstepping drive stepping motor driver channels  
• One constant current forward/reverse motor driver  
• Two PWM drive forward/reverse motor driver channels (one channel of which can be switched to function as a  
microstepping drive stepping motor driver)  
• Stepping motor drivers 1 and 2 support 2-phase, 1-2 phase, 2W1-2 phase, and 4W1-2 phase drive.  
• Stepping motor driver 3 operates in fixed 2W1-2 phase drive mode.  
• Microstepping drive step advance can be controlled with a single clock input (stepping motor drivers 1, 2, and 3)  
• The constant current control chopping frequency can be adjusted with an external resistor (stepping motor drivers  
1, 2, and 3)  
• Phase detection monitor pins provided (stepping motor drivers 1, 2, and 3)  
• The states of all of the drivers can be set up and controlled over an 8-bit serial data interface.  
Specifications  
Absolute Maximum Ratings at Ta   25qC  
Parameter  
Supply voltage 1  
Symbol  
Vmmax  
Conditions  
Ratings  
Unit  
V
6
6
Supply voltage 2  
V max  
CC  
V
Peak output current  
Continuous output current  
I
I
peak  
max  
1ch/2ch/3ch/4ch/5ch/6ch/7ch  
1ch/2ch/3ch/4ch/5ch/6ch/7ch  
Independent IC  
600  
400  
0.35  
2.2  
mA  
mA  
W
O
O
Pd max1  
Pd max2  
Topr  
Allowable power dissipation  
Mounted on a 30 u 50 u 0.8 mm glass epoxy PCB  
W
Operating temperature  
Storage temperature  
ꢀ20 to ꢁ85  
qC  
qC  
Tstg  
ꢀ55 to ꢁ150  
Allowable Operating Ranges at Ta   25qC  
Parameter  
Supply voltage range 1  
Symbol  
VM  
Conditions  
Ratings  
Unit  
V
2 to 5.5  
Supply voltage range 2  
Logic input voltage  
Chopping frequency  
Clock frequency  
V
2.7 to 5.5  
V
CC  
V
0 to V  
ꢁ0.3  
V
IN  
CC  
fchop  
fCLK  
1ch, 2ch, 3ch, 4ch, 5ch, 6ch  
CLK12, CLK34, CLK56  
PWM5, PWM6  
50 to 200  
Up to 64  
Up to 100  
KHz  
KHz  
KHz  
PWM frequency  
fPWM  
„ Any and all SANYO products described or contained herein do not have specifications that can handle  
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control  
systems, or other applications whose failure can be reasonably expected to result in serious physical and/or  
material damage. Consult with your SANYO representative nearest you before using any SANYO products  
described or contained herein in such applications.  
„ SANYO assumes no responsibility for equipment failures that result from using products at values that  
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other  
parameters) listed in products specifications of any and all SANYO products described or contained herein.  
SANYO Electric Co., Ltd. Semiconductor Company  
TOKYO OFFICE Tokyo Bldg., 1-10, 1 chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN  
81004TN (OT) No. 7944-1/24  
1234567...24

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